<template>
	<view>
	  <view class="goods-list">
	      <view v-for="(item, i) in goodsList" :key="i" @click="gotoDetail(item)">
	         <!-- 为 my-goods 组件动态绑定 goods 属性的值 -->
	         <my-goods :goods="item"></my-goods>
	       </view>
	    </view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				queryObj:{
          query:'',
          cid:'',
          pagenum:1,
          pagesize:10
        },
          goodsList: [],
            // 总数量，用来实现分页
            total: 0,
            isloading: false

             }
		},
    onLoad(options){
      this.queryObj.query = options.query || ''
        this.queryObj.cid = options.cid || ''
        this.getGoodsList()
    },
    methods:{
      gotoDetail(item) {
        uni.navigateTo({
          url: '/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id
        })
      },
     async getGoodsList(cb) {
        // 发起请求
        this.isloading = true
        const { data: res } = await uni.$http.get('/api/public/v1/goods/search', this.queryObj)
        this.isloading = false
cb && cb()
        if (res.meta.status !== 200) return uni.$showMsg()
        // 为数据赋值
        this.goodsList =  [...this.goodsList, ...res.message.goods]
        this.total = res.message.total
      }
    },
    onReachBottom() {
      // 判断是否正在请求其它数据，如果是，则不发起额外的请求
        if (this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return uni.$showMsg('数据加载完毕！')
      if (this.isloading) return
    
      this.queryObj.pagenum += 1
      this.getGoodsList()
    },
    onPullDownRefresh() {
      // 1. 重置关键数据
      this.queryObj.pagenum = 1
      this.total = 0
      this.isloading = false
      this.goodsList = []
    
      // 2. 重新发起请求
      this.getGoodsList(() => uni.stopPullDownRefresh())
    }
	}
</script>

<style lang="scss">


</style>
